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3 years ago

6

Can someone help me solve #6

1 answer:

MAVERICK [17]3 years ago

7 0

So you know the speed of a wave, and speed is how much the wave moves per second. This wave travels 3x10^8 meters per second. So to find how for you traveled you need to know how many seconds the wave traveled for, 20 minutes is equal to 1200 seconds (times 20 minutes by 60). Then times the seconds by the speed (3x10^8 m/s)x(1200 s) = 3.6x10^11 meters

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4 years ago

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dangina [55]

Answer:

$F = 1.94 \times 10^{20} N$

Explanation:

Mass of earth ; $M = 5.973 \times 10^{24} kg$

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3 years ago

Two people push on a boulder to try to move it. The mass of the boulder is 815 kg. One person pushes north with a force of 65 N.

ivanzaharov [21]

Answer:

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Explanation:

As the 2 force directions are perpendicular (North vs West), we can calculate the magnitude of the net force using the following equation

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